.video-info {
    background-color: #fff;
    padding-bottom: calc(env(safe-area-inset-bottom) + 20px);

    .main-info {
        padding: 20px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        
        .title-section {
            margin-bottom: 6px;

            .video-title {
                font-size: 16px;
                font-weight: 600;
                color: #1a1a1a;
                line-height: 1.4;
                letter-spacing: 0.3px;
                background: linear-gradient(90deg, #1a1a1a 0%, #404040 100%);
                -webkit-background-clip: text;
                -webkit-text-fill-color: transparent;
            }
        }

        .stats-row {
            display: flex;
            justify-content: space-between;
            align-items: center;

            .video-stats {
                display: flex;
                gap: 16px;
                color: #666;
                font-size: 14px;

                .views, .duration, .date {
                    position: relative;
                    color: #666;
                    
                    &:not(:last-child)::after {
                        content: "•";
                        position: absolute;
                        right: -10px;
                        color: #ccc;
                    }
                }
            }

            .course-type {
                padding: 6px 12px;
                border-radius: 6px;
                font-size: 13px;
                font-weight: 500;
                background-color: #ff4d4f;
                color: #fff;
                box-shadow: 0 2px 4px rgba(255, 77, 79, 0.2);

                &.free {
                    background-color: #52c41a;
                    box-shadow: 0 2px 4px rgba(82, 196, 26, 0.2);
                }
            }
        }
    }

    .advertisement-section {
        margin-top: 16px;
        background: linear-gradient(180deg, #fff 0%, #f8f9fa 100%);
        
        .section-header {
            margin-bottom: 16px;
            padding: 0 20px;
            position: relative;
            
            &::before {
                content: '';
                position: absolute;
                left: 8px;
                top: 4px;
                height: 16px;
                width: 4px;
                background: #ff4d4f;
                border-radius: 2px;
            }

            .section-title {
                font-size: 18px;
                font-weight: 600;
                color: #1a1a1a;
                margin-bottom: 4px;
                // padding-left: 16px;
            }
            
            .section-subtitle {
                font-size: 14px;
                color: #999;
                padding-left: 16px;
            }
        }

        .ad-container {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin: 0 4px;

            .ad-card {
                display: flex;
                height: 140px;
                background: #fff;
                border-radius: 12px;
                overflow: hidden;
                box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
                transition: all 0.3s ease;
                border: 1px solid rgba(0, 0, 0, 0.04);

                &:active {
                    transform: translateY(1px) scale(0.99);
                    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
                }

                .ad-image {
                    flex: 3;
                    position: relative;
                    overflow: hidden;

                    image {
                        width: 100%;
                        height: 100%;
                        object-fit: cover;
                        transition: transform 0.3s ease;
                    }

                    &::after {
                        content: '';
                        position: absolute;
                        left: 0;
                        top: 0;
                        width: 100%;
                        height: 100%;
                        background: linear-gradient(0deg, rgba(0,0,0,0.02) 0%, rgba(0,0,0,0) 100%);
                    }
                }

                .ad-content {
                    flex: 1;
                    padding: 16px;
                    display: flex;
                    flex-direction: column;
                    background: linear-gradient(180deg, #fff 0%, #fafafa 100%);

                    .ad-title {
                        font-size: 15px;
                        font-weight: 600;
                        color: #1a1a1a;
                        margin-bottom: 8px;
                        line-height: 1.4;
                    }

                    .ad-desc {
                        font-size: 13px;
                        color: #666;
                        line-height: 1.5;
                        display: -webkit-box;
                        -webkit-line-clamp: 3;
                        -webkit-box-orient: vertical;
                        overflow: hidden;
                    }

                    .merchant-name {
                        margin-top: auto;
                        font-size: 12px;
                        color: #999;
                        padding-top: 8px;
                        border-top: 1px solid rgba(0, 0, 0, 0.04);
                    }
                }
            }
        }
    }
}